derogate

verb tr.: To disparage or belittle.verb intr.: 1. To detract from (authority, value, etc.).
2. To deviate from (a standard, for example).

ETYMOLOGY:

From Latin derogare (to repeal), from de- (from) + rogare (to ask, propose
a law). Ultimately from the Indo-European root reg- (to move in a straight
line, to lead or rule), which is also the source of regime, direct, rectangle,
erect, rectum, alert, source, surge,
abrogate, and
queen regnant. Earliest
documented use: 1513.

USAGE:

“We could all, in perfect simplicity, derogate the government, loathe the
police, and get wasted with impunity.”
Lynn Crosbie; Disappointed in the Man I Once Revered; The Globe and Mail
(Canada); Feb 26, 2005.